provider is not exported by [email protected]

yarn cache clean

//Change this import { Program, Provider, web3 } from ‘@project-serum/anchor’ to:
import { Program, AnchorProvider, web3 } from ‘@project-serum/anchor’;

// replace Provider with AnchorProvider:
const getProvider = () => {
      const connection = ...
      const provider = new AnchorProvider(connection, ...);
      return provider;
}